Interface fix: hide semanticscuttle version for non-admin (preventing some crackers' scripts)

git-svn-id: https://semanticscuttle.svn.sourceforge.net/svnroot/semanticscuttle/trunk@154 b3834d28-1941-0410-a4f8-b48e95affb8f

2 files changed, 360 insertions, 351 deletions

diff --git a/services/userservice.php b/services/userservice.php
index f620735..ee62dbb 100644
--- a/services/userservice.php
+++ b/services/userservice.php
@@ -1,417 +1,417 @@
 <?php
 class UserService {
-    var $db;
+	var $db;
 
-    function &getInstance(&$db) {
-        static $instance;
-        if (!isset($instance))
-            $instance =& new UserService($db);
-        return $instance;
-    }
+	function &getInstance(&$db) {
+		static $instance;
+		if (!isset($instance))
+		$instance =& new UserService($db);
+		return $instance;
+	}
 
-    var $fields = array(
+	var $fields = array(
         'primary'   =>  'uId',
         'username'  =>  'username',
         'password'  =>  'password'
-    );
-    var $profileurl;
-    var $tablename;
-    var $sessionkey;
-    var $cookiekey;
-    var $cookietime = 1209600; // 2 weeks
-
-    function UserService(& $db) {
-        $this->db =& $db;
-        $this->tablename = $GLOBALS['tableprefix'] .'users';
-	$this->sessionkey = $GLOBALS['cookieprefix'].INSTALLATION_ID.'-currentuserid';
-	$this->cookiekey = $GLOBALS['cookieprefix'].INSTALLATION_ID.'-login';
-        $this->profileurl = createURL('profile', '%2$s');
-    }
-
-    function _checkdns($host) {
-        if (function_exists('checkdnsrr')) {
-            return checkdnsrr($host);
-        } else {
-            return $this->_checkdnsrr($host);
+        );
+        var $profileurl;
+        var $tablename;
+        var $sessionkey;
+        var $cookiekey;
+        var $cookietime = 1209600; // 2 weeks
+
+        function UserService(& $db) {
+        	$this->db =& $db;
+        	$this->tablename = $GLOBALS['tableprefix'] .'users';
+        	$this->sessionkey = $GLOBALS['cookieprefix'].INSTALLATION_ID.'-currentuserid';
+        	$this->cookiekey = $GLOBALS['cookieprefix'].INSTALLATION_ID.'-login';
+        	$this->profileurl = createURL('profile', '%2$s');
+        }
+
+        function _checkdns($host) {
+        	if (function_exists('checkdnsrr')) {
+        		return checkdnsrr($host);
+        	} else {
+        		return $this->_checkdnsrr($host);
+        	}
         }
-    }
-
-    function _checkdnsrr($host, $type = "MX") {
-        if(!empty($host)) {
-            @exec("nslookup -type=$type $host", $output);
-            while(list($k, $line) = each($output)) {
-                if(eregi("^$host", $line)) {
-                    return true;
-                }
-            }
-            return false;
+
+        function _checkdnsrr($host, $type = "MX") {
+        	if(!empty($host)) {
+        		@exec("nslookup -type=$type $host", $output);
+        		while(list($k, $line) = each($output)) {
+        			if(eregi("^$host", $line)) {
+        				return true;
+        			}
+        		}
+        		return false;
+        	}
         }
-    }
 
-    function _getuser($fieldname, $value) {
-        $query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"';
+        function _getuser($fieldname, $value) {
+        	$query = 'SELECT * FROM '. $this->getTableName() .' WHERE '. $fieldname .' = "'. $this->db->sql_escape($value) .'"';
 
-        if (! ($dbresult =& $this->db->sql_query($query)) ) {
-            message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
-            return false;
+        	if (! ($dbresult =& $this->db->sql_query($query)) ) {
+        		message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+        		return false;
+        	}
+
+        	if ($row =& $this->db->sql_fetchrow($dbresult))
+        	return $row;
+        	else
+        	return false;
         }
 
-        if ($row =& $this->db->sql_fetchrow($dbresult))
-            return $row;
-        else
-            return false;
-    }
+        function & getUsers($nb=0) {
+        	$query = 'SELECT * FROM '. $this->getTableName() .' ORDER BY `uId` DESC';
+        	if($nb>0) {
+        		$query .= ' LIMIT 0, '.$nb;
+        	}
+        	if (! ($dbresult =& $this->db->sql_query($query)) ) {
+        		message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+        		return false;
+        	}
+
+        	while ($row = & $this->db->sql_fetchrow($dbresult)) {
+        		$users[] = $row;
+        	}
+        	return $users;
+        }
 
-    function & getUsers($nb=0) {
-        $query = 'SELECT * FROM '. $this->getTableName() .' ORDER BY `uId` DESC';
-	if($nb>0) {
-	    $query .= ' LIMIT 0, '.$nb;
-	}
-        if (! ($dbresult =& $this->db->sql_query($query)) ) {
-            message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
-            return false;
+        function _randompassword() {
+        	$seed = (integer) md5(microtime());
+        	mt_srand($seed);
+        	$password = mt_rand(1, 99999999);
+        	$password = substr(md5($password), mt_rand(0, 19), mt_rand(6, 12));
+        	return $password;
         }
 
-        while ($row = & $this->db->sql_fetchrow($dbresult)) {
-	    $users[] = $row;
-	}
-        return $users;
-    }
-
-    function _randompassword() {
-        $seed = (integer) md5(microtime());
-        mt_srand($seed);
-        $password = mt_rand(1, 99999999);
-        $password = substr(md5($password), mt_rand(0, 19), mt_rand(6, 12));
-        return $password;
-    }
-
-    function _updateuser($uId, $fieldname, $value) {
-        $updates = array ($fieldname => $value);
-        $sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
-
-        // Execute the statement.
-        $this->db->sql_transaction('begin');
-        if (!($dbresult = & $this->db->sql_query($sql))) {
-            $this->db->sql_transaction('rollback');
-            message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
-            return false;
+        function _updateuser($uId, $fieldname, $value) {
+        	$updates = array ($fieldname => $value);
+        	$sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
+
+        	// Execute the statement.
+        	$this->db->sql_transaction('begin');
+        	if (!($dbresult = & $this->db->sql_query($sql))) {
+        		$this->db->sql_transaction('rollback');
+        		message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
+        		return false;
+        	}
+        	$this->db->sql_transaction('commit');
+
+        	// Everything worked out, so return true.
+        	return true;
         }
-        $this->db->sql_transaction('commit');
-
-        // Everything worked out, so return true.
-        return true;
-    }
-
-    function getProfileUrl($id, $username) {
-        return sprintf($this->profileurl, urlencode($id), urlencode($username));
-    }
-
-    function getUserByUsername($username) {
-        return $this->_getuser($this->getFieldName('username'), $username);
-    }
-
-    function getUser($id) {
-        return $this->_getuser($this->getFieldName('primary'), $id);
-    }
-
-    function isLoggedOn() {
-        return ($this->getCurrentUserId() !== false);
-    }
-
-    function &getCurrentUser($refresh = FALSE, $newval = NULL) {
-        static $currentuser;
-        if (!is_null($newval)) //internal use only: reset currentuser
-            $currentuser = $newval;
-        else if ($refresh || !isset($currentuser)) {
-            if ($id = $this->getCurrentUserId())
-                $currentuser = $this->getUser($id);
-            else
-                return null;
+
+        function getProfileUrl($id, $username) {
+        	return sprintf($this->profileurl, urlencode($id), urlencode($username));
         }
-        return $currentuser;
-    }
-
-    function isAdmin($userid) {
-	$user = $this->getUser($userid);
-	
-	if(isset($GLOBALS['admin_users'])
-		&& in_array($user['username'], $GLOBALS['admin_users'])) {
-	    return true;
-	} else {
-	    return false;
-	}
-    }
-
-    function getCurrentUserId() {
-        if (isset($_SESSION[$this->getSessionKey()])) {
-//echo "session";die($_SESSION[$this->getSessionKey()]);
-            return $_SESSION[$this->getSessionKey()];
-        } else if (isset($_COOKIE[$this->getCookieKey()])) {
-//echo "cookie";die();
-
-            $cook = split(':', $_COOKIE[$this->getCookieKey()]);
-            //cookie looks like this: 'id:md5(username+password)'
-            $query = 'SELECT * FROM '. $this->getTableName() .
-                     ' WHERE MD5(CONCAT('.$this->getFieldName('username') .
-                                     ', '.$this->getFieldName('password') .
-                     ')) = \''.$this->db->sql_escape($cook[1]).'\' AND '.
-                     $this->getFieldName('primary'). ' = '. $this->db->sql_escape($cook[0]);
 
-            if (! ($dbresult =& $this->db->sql_query($query)) ) {
-                message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
-                return false;
-            }
+        function getUserByUsername($username) {
+        	return $this->_getuser($this->getFieldName('username'), $username);
+        }
 
-            if ($row = $this->db->sql_fetchrow($dbresult)) {
-                $_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
-                return $_SESSION[$this->getSessionKey()];
-            }
+        function getUser($id) {
+        	return $this->_getuser($this->getFieldName('primary'), $id);
         }
-        return false;
-    }
 
-    function login($username, $password, $remember = FALSE) {
-        $password = $this->sanitisePassword($password);
-        $query = 'SELECT '. $this->getFieldName('primary') .' FROM '. $this->getTableName() .' WHERE '. $this->getFieldName('username') .' = "'. $this->db->sql_escape($username) .'" AND '. $this->getFieldName('password') .' = "'. $this->db->sql_escape($password) .'"';
+        function isLoggedOn() {
+        	return ($this->getCurrentUserId() !== false);
+        }
 
-        if (! ($dbresult =& $this->db->sql_query($query)) ) {
-            message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
-            return false;
+        function &getCurrentUser($refresh = FALSE, $newval = NULL) {
+        	static $currentuser;
+        	if (!is_null($newval)) //internal use only: reset currentuser
+        	$currentuser = $newval;
+        	else if ($refresh || !isset($currentuser)) {
+        		if ($id = $this->getCurrentUserId())
+        		$currentuser = $this->getUser($id);
+        		else
+        		return null;
+        	}
+        	return $currentuser;
         }
 
-        if ($row =& $this->db->sql_fetchrow($dbresult)) {
-            $id = $_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
-            if ($remember) {
-                $cookie = $id .':'. md5($username.$password);
-                setcookie($this->cookiekey, $cookie, time() + $this->cookietime, '/');
-            }
-            return true;
-        } else {
-            return false;
+        function isAdmin($userid) {
+        	$user = $this->getUser($userid);
+        	
+        	if(isset($GLOBALS['admin_users'])
+        	&& in_array($user['username'], $GLOBALS['admin_users'])) {
+        		return true;
+        	} else {
+        		return false;
+        	}
         }
-    }
-
-    function logout() {
-        @setcookie($this->getCookiekey(), '', time() - 1, '/');
-        unset($_COOKIE[$this->getCookiekey()]);
-        session_unset();
-        $this->getCurrentUser(TRUE, false);
-    }
-
-    function getWatchlist($uId) {
-        // Gets the list of user IDs being watched by the given user.
-        $query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($uId);
-
-        if (! ($dbresult =& $this->db->sql_query($query)) ) {
-            message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
-            return false;
+
+        function getCurrentUserId() {
+        	if (isset($_SESSION[$this->getSessionKey()])) {
+        		//echo "session";die($_SESSION[$this->getSessionKey()]);
+        		return $_SESSION[$this->getSessionKey()];
+        	} else if (isset($_COOKIE[$this->getCookieKey()])) {
+        		//echo "cookie";die();
+
+        		$cook = split(':', $_COOKIE[$this->getCookieKey()]);
+        		//cookie looks like this: 'id:md5(username+password)'
+        		$query = 'SELECT * FROM '. $this->getTableName() .
+                     ' WHERE MD5(CONCAT('.$this->getFieldName('username') .
+                                     ', '.$this->getFieldName('password') .
+                     ')) = \''.$this->db->sql_escape($cook[1]).'\' AND '.
+        		$this->getFieldName('primary'). ' = '. $this->db->sql_escape($cook[0]);
+
+        		if (! ($dbresult =& $this->db->sql_query($query)) ) {
+        			message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+        			return false;
+        		}
+
+        		if ($row = $this->db->sql_fetchrow($dbresult)) {
+        			$_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
+        			return $_SESSION[$this->getSessionKey()];
+        		}
+        	}
+        	return false;
         }
 
-        $arrWatch = array();
-        if ($this->db->sql_numrows($dbresult) == 0)
-            return $arrWatch;
-        while ($row =& $this->db->sql_fetchrow($dbresult))
-            $arrWatch[] = $row['watched'];
-        return $arrWatch;
-    }
-
-    function getWatchNames($uId, $watchedby = false) {
-        // Gets the list of user names being watched by the given user.
-        // - If $watchedby is false get the list of users that $uId watches
-        // - If $watchedby is true get the list of users that watch $uId
-        if ($watchedby) {
-            $table1 = 'b';
-            $table2 = 'a';
-        } else {
-            $table1 = 'a';
-            $table2 = 'b';
+        function login($username, $password, $remember = FALSE) {
+        	$password = $this->sanitisePassword($password);
+        	$query = 'SELECT '. $this->getFieldName('primary') .' FROM '. $this->getTableName() .' WHERE '. $this->getFieldName('username') .' = "'. $this->db->sql_escape($username) .'" AND '. $this->getFieldName('password') .' = "'. $this->db->sql_escape($password) .'"';
+
+        	if (! ($dbresult =& $this->db->sql_query($query)) ) {
+        		message_die(GENERAL_ERROR, 'Could not get user', '', __LINE__, __FILE__, $query, $this->db);
+        		return false;
+        	}
+
+        	if ($row =& $this->db->sql_fetchrow($dbresult)) {
+        		$id = $_SESSION[$this->getSessionKey()] = $row[$this->getFieldName('primary')];
+        		if ($remember) {
+        			$cookie = $id .':'. md5($username.$password);
+        			setcookie($this->cookiekey, $cookie, time() + $this->cookietime, '/');
+        		}
+        		return true;
+        	} else {
+        		return false;
+        	}
         }
-        $query = 'SELECT '. $table1 .'.'. $this->getFieldName('username') .' FROM '. $GLOBALS['tableprefix'] .'watched AS W, '. $this->getTableName() .' AS a, '. $this->getTableName() .' AS b WHERE W.watched = a.'. $this->getFieldName('primary') .' AND W.uId = b.'. $this->getFieldName('primary') .' AND '. $table2 .'.'. $this->getFieldName('primary') .' = '. intval($uId) .' ORDER BY '. $table1 .'.'. $this->getFieldName('username');
 
-        if (!($dbresult =& $this->db->sql_query($query))) {
-            message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
-            return false;
+        function logout() {
+        	@setcookie($this->getCookiekey(), '', time() - 1, '/');
+        	unset($_COOKIE[$this->getCookiekey()]);
+        	session_unset();
+        	$this->getCurrentUser(TRUE, false);
         }
 
-        $arrWatch = array();
-        if ($this->db->sql_numrows($dbresult) == 0) {
-            return $arrWatch;
+        function getWatchlist($uId) {
+        	// Gets the list of user IDs being watched by the given user.
+        	$query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($uId);
+
+        	if (! ($dbresult =& $this->db->sql_query($query)) ) {
+        		message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
+        		return false;
+        	}
+
+        	$arrWatch = array();
+        	if ($this->db->sql_numrows($dbresult) == 0)
+        	return $arrWatch;
+        	while ($row =& $this->db->sql_fetchrow($dbresult))
+        	$arrWatch[] = $row['watched'];
+        	return $arrWatch;
         }
-        while ($row =& $this->db->sql_fetchrow($dbresult)) {
-            $arrWatch[] = $row[$this->getFieldName('username')];
+
+        function getWatchNames($uId, $watchedby = false) {
+        	// Gets the list of user names being watched by the given user.
+        	// - If $watchedby is false get the list of users that $uId watches
+        	// - If $watchedby is true get the list of users that watch $uId
+        	if ($watchedby) {
+        		$table1 = 'b';
+        		$table2 = 'a';
+        	} else {
+        		$table1 = 'a';
+        		$table2 = 'b';
+        	}
+        	$query = 'SELECT '. $table1 .'.'. $this->getFieldName('username') .' FROM '. $GLOBALS['tableprefix'] .'watched AS W, '. $this->getTableName() .' AS a, '. $this->getTableName() .' AS b WHERE W.watched = a.'. $this->getFieldName('primary') .' AND W.uId = b.'. $this->getFieldName('primary') .' AND '. $table2 .'.'. $this->getFieldName('primary') .' = '. intval($uId) .' ORDER BY '. $table1 .'.'. $this->getFieldName('username');
+
+        	if (!($dbresult =& $this->db->sql_query($query))) {
+        		message_die(GENERAL_ERROR, 'Could not get watchlist', '', __LINE__, __FILE__, $query, $this->db);
+        		return false;
+        	}
+
+        	$arrWatch = array();
+        	if ($this->db->sql_numrows($dbresult) == 0) {
+        		return $arrWatch;
+        	}
+        	while ($row =& $this->db->sql_fetchrow($dbresult)) {
+        		$arrWatch[] = $row[$this->getFieldName('username')];
+        	}
+        	return $arrWatch;
         }
-        return $arrWatch;
-    }
-
-    function getWatchStatus($watcheduser, $currentuser) {
-        // Returns true if the current user is watching the given user, and false otherwise.
-        $query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched AS W INNER JOIN '. $this->getTableName() .' AS U ON U.'. $this->getFieldName('primary') .' = W.watched WHERE U.'. $this->getFieldName('primary') .' = '. intval($watcheduser) .' AND W.uId = '. intval($currentuser);
-        
-        if (! ($dbresult =& $this->db->sql_query($query)) ) {
-            message_die(GENERAL_ERROR, 'Could not get watchstatus', '', __LINE__, __FILE__, $query, $this->db);
-            return false;
+
+        function getWatchStatus($watcheduser, $currentuser) {
+        	// Returns true if the current user is watching the given user, and false otherwise.
+        	$query = 'SELECT watched FROM '. $GLOBALS['tableprefix'] .'watched AS W INNER JOIN '. $this->getTableName() .' AS U ON U.'. $this->getFieldName('primary') .' = W.watched WHERE U.'. $this->getFieldName('primary') .' = '. intval($watcheduser) .' AND W.uId = '. intval($currentuser);
+
+        	if (! ($dbresult =& $this->db->sql_query($query)) ) {
+        		message_die(GENERAL_ERROR, 'Could not get watchstatus', '', __LINE__, __FILE__, $query, $this->db);
+        		return false;
+        	}
+
+        	$arrWatch = array();
+        	if ($this->db->sql_numrows($dbresult) == 0)
+        	return false;
+        	else
+        	return true;
         }
 
-        $arrWatch = array();
-        if ($this->db->sql_numrows($dbresult) == 0)
-            return false;
-        else 
-            return true;
-    }
-
-    function setWatchStatus($subjectUserID) {
-        if (!is_numeric($subjectUserID))
-            return false;
-
-        $currentUserID = $this->getCurrentUserId();
-        $watched = $this->getWatchStatus($subjectUserID, $currentUserID);
-
-        if ($watched) {
-            $sql = 'DELETE FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($currentUserID) .' AND watched = '. intval($subjectUserID);
-            if (!($dbresult =& $this->db->sql_query($sql))) {
-                $this->db->sql_transaction('rollback');
-                message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
-                return false;
-            }
-        } else {
-            $values = array(
+        function setWatchStatus($subjectUserID) {
+        	if (!is_numeric($subjectUserID))
+        	return false;
+
+        	$currentUserID = $this->getCurrentUserId();
+        	$watched = $this->getWatchStatus($subjectUserID, $currentUserID);
+
+        	if ($watched) {
+        		$sql = 'DELETE FROM '. $GLOBALS['tableprefix'] .'watched WHERE uId = '. intval($currentUserID) .' AND watched = '. intval($subjectUserID);
+        		if (!($dbresult =& $this->db->sql_query($sql))) {
+        			$this->db->sql_transaction('rollback');
+        			message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
+        			return false;
+        		}
+        	} else {
+        		$values = array(
                 'uId' => intval($currentUserID),
                 'watched' => intval($subjectUserID)
-            ); 
-            $sql = 'INSERT INTO '. $GLOBALS['tableprefix'] .'watched '. $this->db->sql_build_array('INSERT', $values);
-            if (!($dbresult =& $this->db->sql_query($sql))) {
-                $this->db->sql_transaction('rollback');
-                message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
-                return false;
-            }
+        		);
+        		$sql = 'INSERT INTO '. $GLOBALS['tableprefix'] .'watched '. $this->db->sql_build_array('INSERT', $values);
+        		if (!($dbresult =& $this->db->sql_query($sql))) {
+        			$this->db->sql_transaction('rollback');
+        			message_die(GENERAL_ERROR, 'Could not add user to watch list', '', __LINE__, __FILE__, $sql, $this->db);
+        			return false;
+        		}
+        	}
+
+        	$this->db->sql_transaction('commit');
+        	return true;
         }
 
-        $this->db->sql_transaction('commit');
-        return true;
-    }
-
-    function addUser($username, $password, $email) {
-        // Set up the SQL UPDATE statement.
-        $datetime = gmdate('Y-m-d H:i:s', time());
-        $password = $this->sanitisePassword($password);
-        $values = array('username' => $username, 'password' => $password, 'email' => $email, 'uDatetime' => $datetime, 'uModified' => $datetime);
-        $sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
-
-        // Execute the statement.
-        $this->db->sql_transaction('begin');
-        if (!($dbresult = & $this->db->sql_query($sql))) {
-            $this->db->sql_transaction('rollback');
-            message_die(GENERAL_ERROR, 'Could not insert user', '', __LINE__, __FILE__, $sql, $this->db);
-            return false;
+        function addUser($username, $password, $email) {
+        	// Set up the SQL UPDATE statement.
+        	$datetime = gmdate('Y-m-d H:i:s', time());
+        	$password = $this->sanitisePassword($password);
+        	$values = array('username' => $username, 'password' => $password, 'email' => $email, 'uDatetime' => $datetime, 'uModified' => $datetime);
+        	$sql = 'INSERT INTO '. $this->getTableName() .' '. $this->db->sql_build_array('INSERT', $values);
+
+        	// Execute the statement.
+        	$this->db->sql_transaction('begin');
+        	if (!($dbresult = & $this->db->sql_query($sql))) {
+        		$this->db->sql_transaction('rollback');
+        		message_die(GENERAL_ERROR, 'Could not insert user', '', __LINE__, __FILE__, $sql, $this->db);
+        		return false;
+        	}
+        	$this->db->sql_transaction('commit');
+
+        	// Everything worked out, so return true.
+        	return true;
         }
-        $this->db->sql_transaction('commit');
-
-        // Everything worked out, so return true.
-        return true;
-    }
-
-    function updateUser($uId, $password, $name, $email, $homepage, $uContent) {
-        if (!is_numeric($uId))
-            return false;
-
-        // Set up the SQL UPDATE statement.
-        $moddatetime = gmdate('Y-m-d H:i:s', time());
-        if ($password == '')
-            $updates = array ('uModified' => $moddatetime, 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
-        else
-            $updates = array ('uModified' => $moddatetime, 'password' => $this->sanitisePassword($password), 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
-        $sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
-
-        // Execute the statement.
-        $this->db->sql_transaction('begin');
-        if (!($dbresult = & $this->db->sql_query($sql))) {
-            $this->db->sql_transaction('rollback');
-            message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
-            return false;
-        }
-        $this->db->sql_transaction('commit');
 
-        // Everything worked out, so return true.
-        return true;
-    }
+        function updateUser($uId, $password, $name, $email, $homepage, $uContent) {
+        	if (!is_numeric($uId))
+        	return false;
+
+        	// Set up the SQL UPDATE statement.
+        	$moddatetime = gmdate('Y-m-d H:i:s', time());
+        	if ($password == '')
+        	$updates = array ('uModified' => $moddatetime, 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
+        	else
+        	$updates = array ('uModified' => $moddatetime, 'password' => $this->sanitisePassword($password), 'name' => $name, 'email' => $email, 'homepage' => $homepage, 'uContent' => $uContent);
+        	$sql = 'UPDATE '. $this->getTableName() .' SET '. $this->db->sql_build_array('UPDATE', $updates) .' WHERE '. $this->getFieldName('primary') .'='. intval($uId);
+
+        	// Execute the statement.
+        	$this->db->sql_transaction('begin');
+        	if (!($dbresult = & $this->db->sql_query($sql))) {
+        		$this->db->sql_transaction('rollback');
+        		message_die(GENERAL_ERROR, 'Could not update user', '', __LINE__, __FILE__, $sql, $this->db);
+        		return false;
+        	}
+        	$this->db->sql_transaction('commit');
+
+        	// Everything worked out, so return true.
+        	return true;
+        }
 
-	function getAllUsers ( ) { 

-		$query = 'SELECT * FROM '. $this->getTableName();

+        function getAllUsers ( ) {

+        	$query = 'SELECT * FROM '. $this->getTableName();

 

-		if (! ($dbresult =& $this->db->sql_query($query)) ) {

-		    message_die(GENERAL_ERROR, 'Could not get users', '', __LINE__, __FILE__, $query, $this->db);

-		    return false;

-		}

+        	if (! ($dbresult =& $this->db->sql_query($query)) ) {

+        		message_die(GENERAL_ERROR, 'Could not get users', '', __LINE__, __FILE__, $query, $this->db);

+        		return false;

+        	}

 

-		$rows = array();

+        	$rows = array();

 

-		while ( $row = $this->db->sql_fetchrow($dbresult) ) {

-			$rows[] = $row;

-		}

+        	while ( $row = $this->db->sql_fetchrow($dbresult) ) {

+        		$rows[] = $row;

+        	}

 

-		return $rows;

-	}

+        	return $rows;

+        }

 

-    function deleteUser($uId) {

-    	$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '. intval($uId);

+        function deleteUser($uId) {

+        	$query = 'DELETE FROM '. $this->getTableName() .' WHERE uId = '. intval($uId);

 

-        if (!($dbresult = & $this->db->sql_query($query))) {

-            message_die(GENERAL_ERROR, 'Could not delete user', '', __LINE__, __FILE__, $query, $this->db);

-            return false;

-        }

+        	if (!($dbresult = & $this->db->sql_query($query))) {

+        		message_die(GENERAL_ERROR, 'Could not delete user', '', __LINE__, __FILE__, $query, $this->db);

+        		return false;

+        	}

 

-	return true;

-    }

+        	return true;

+        }

 
 
-    function sanitisePassword($password) {
-        return sha1(trim($password));
-    }
+        function sanitisePassword($password) {
+        	return sha1(trim($password));
+        }
 
-    function generatePassword($uId) {
-        if (!is_numeric($uId))
-            return false;
+        function generatePassword($uId) {
+        	if (!is_numeric($uId))
+        	return false;
 
-        $password = $this->_randompassword();
+        	$password = $this->_randompassword();
 
-        if ($this->_updateuser($uId, $this->getFieldName('password'), $this->sanitisePassword($password)))
-            return $password;
-        else
-            return false;
-    }
+        	if ($this->_updateuser($uId, $this->getFieldName('password'), $this->sanitisePassword($password)))
+        	return $password;
+        	else
+        	return false;
+        }
 
-    function isReserved($username) {
-        if (in_array($username, $GLOBALS['reservedusers'])) {
-            return true;
-        } else {
-            return false;
+        function isReserved($username) {
+        	if (in_array($username, $GLOBALS['reservedusers'])) {
+        		return true;
+        	} else {
+        		return false;
+        	}
         }
-    }
 
-    function isValidEmail($email) {
-        if (eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$", $email)) {
-            list($emailUser, $emailDomain) = split("@", $email);
+        function isValidEmail($email) {
+        	if (eregi("^[_a-z0-9-]+(\.[_a-z0-9-]+)*@[a-z0-9-]+(\.[a-z0-9-]+)*(\.[a-z]{2,6})$", $email)) {
+        		list($emailUser, $emailDomain) = split("@", $email);
 
-            // Check if the email domain has a DNS record
-            if ($this->_checkdns($emailDomain)) {
-                return true;
-            }
+        		// Check if the email domain has a DNS record
+        		if ($this->_checkdns($emailDomain)) {
+        			return true;
+        		}
+        	}
+        	return false;
         }
-        return false;
-    }
 
-    // Properties
-    function getTableName()       { return $this->tablename; }
-    function setTableName($value) { $this->tablename = $value; }
+        // Properties
+        function getTableName()       { return $this->tablename; }
+        function setTableName($value) { $this->tablename = $value; }
 
-    function getFieldName($field)         { return $this->fields[$field]; }
-    function setFieldName($field, $value) { $this->fields[$field] = $value; }
+        function getFieldName($field)         { return $this->fields[$field]; }
+        function setFieldName($field, $value) { $this->fields[$field] = $value; }
 
-    function getSessionKey()       { return $this->sessionkey; }
-    function setSessionKey($value) { $this->sessionkey = $value; }
+        function getSessionKey()       { return $this->sessionkey; }
+        function setSessionKey($value) { $this->sessionkey = $value; }
 
-    function getCookieKey()       { return $this->cookiekey; }
-    function setCookieKey($value) { $this->cookiekey = $value; }
+        function getCookieKey()       { return $this->cookiekey; }
+        function setCookieKey($value) { $this->cookiekey = $value; }
 }
 ?>
diff --git a/templates/about.tpl.php b/templates/about.tpl.php
index 59e2b54..7ff11ad 100644
--- a/templates/about.tpl.php
+++ b/templates/about.tpl.php
@@ -1,5 +1,9 @@
 <?php
 $this->includeTemplate($GLOBALS['top_include']);
+
+$userservice =& ServiceFactory::getServiceInstance('UserService');
+$currentUser = $userservice->getCurrentUser();
+$currentUserId = $userservice->getCurrentUserId();
 ?>
 
 <ul>
@@ -13,7 +17,12 @@ $this->includeTemplate($GLOBALS['top_include']);
 <ul>
 <li><a href="http://sourceforge.net/projects/semanticscuttle/">Semantic Scuttle</a> <?php echo T_('is licensed under the ');?> <a href="http://www.gnu.org/copyleft/gpl.html"><acronym title="GNU\'s Not Unix">GNU</acronym> General Public License</a> (<?php echo T_('you can freely host it on your own web server.'); ?>)</li>
 <li><?php echo sprintf(T_('%1$s supports most of the <a href="http://del.icio.us/doc/api">del.icio.us <abbr title="Application Programming Interface">API</abbr></a>. Almost all of the neat tools made for that system can be modified to work with %1$s instead. If you find a tool that won\'t let you change the API address, ask the creator to add this setting. You never know, they might just do it.'), $GLOBALS['sitename']); ?></li>
+
+
+
+<?php if(!is_null($currentUser) && $userservice->isAdmin($currentUserId)): ?>
 <li>SemanticScuttle v0.90</li>
+<?php endif ?>
 </ul>
 
 <?php